Armstrong Brian's Form 4 filing
Coinbase Global, Inc. (COIN) · filed Dec 10, 2025
- Accession no.
- 0001679788-25-000243
- Filed
- Dec 10, 2025
- Trade date
- Dec 8, 2025
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 7 non-derivative transactions and 1 derivative transaction. Open-market sales total $11.0M. It was filed 2 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Armstrong BrianCIK 0001851492 | Director, Officer (Chairman and CEO), 10% Owner |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Dec 8, 2025 | Class A Common Stock | MOption exerciseAcquired | +40,000 | $18.71 | +$748,400 | 40,000 | Direct | |
| Dec 8, 2025 | Class A Common Stock | SSaleDisposed | −4,660 | $271.57F2 | −$1,265,516.2 | 35,340 | Direct | |
| Dec 8, 2025 | Class A Common Stock | SSaleDisposed | −9,978 | $272.44F3 | −$2,718,406.32 | 25,362 | Direct | |
| Dec 8, 2025 | Class A Common Stock | SSaleDisposed | −5,213 | $273.45F4 | −$1,425,494.85 | 20,149 | Direct | |
| Dec 8, 2025 | Class A Common Stock | SSaleDisposed | −5,902 | $274.50F5 | −$1,620,099 | 14,247 | Direct | |
| Dec 8, 2025 | Class A Common Stock | SSaleDisposed | −12,474 | $275.41F6 | −$3,435,464.34 | 1,773 | Direct | |
| Dec 8, 2025 | Class A Common Stock | SSaleDisposed | −1,773 | $276.07F7 | −$489,472.11 | 0 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Dec 8, 2025 | Class A Common Stock | MOption exerciseDisposed | −40,000 | $0.00 | $0 | 2,633,924 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F2
Represents the weighted average sale price. The lowest price at which shares were sold was $270.93 and the highest price at which shares were sold was $271.92. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth in footnotes (2) through (7) to this Form 4.
Referenced by the price of 1 transaction in Table I.
- F3
Represents the weighted average sale price. The lowest price at which shares were sold was $271.93 and the highest price at which shares were sold was $272.89.
Referenced by the price of 1 transaction in Table I.
- F4
Represents the weighted average sale price. The lowest price at which shares were sold was $272.93 and the highest price at which shares were sold was $273.915.
Referenced by the price of 1 transaction in Table I.
- F5
Represents the weighted average sale price. The lowest price at which shares were sold was $273.93 and the highest price at which shares were sold was $274.92.
Referenced by the price of 1 transaction in Table I.
- F6
Represents the weighted average sale price. The lowest price at which shares were sold was $274.93 and the highest price at which shares were sold was $275.92.
Referenced by the price of 1 transaction in Table I.
- F7
Represents the weighted average sale price. The lowest price at which shares were sold was $275.93 and the highest price at which shares were sold was $276.39.
Referenced by the price of 1 transaction in Table I.